tests/Unit/Models/ChatLibTest.php

   1 <?php
   2
   3 namespace Tests\Unit\Models;
   4
   5 use App\Models\ChatLib;
   6 use PHPUnit\Framework\TestCase;
   7
   8 class ChatLibTest extends TestCase {
   9
  10         public function test_binary_search() {
  11                 $options = [
  12                         ['a', 0, 2],
  13                         ['b', 2, 3],
  14                         ['c', 3, 6],
  15                 ];
  16
  17                 $this->assertEquals('a', ChatLib::search($options, 0)[0]);
  18                 $this->assertEquals('a', ChatLib::search($options, 1)[0]);
  19                 $this->assertEquals('b', ChatLib::search($options, 2)[0]);
  20                 $this->assertEquals('c', ChatLib::search($options, 3)[0]);
  21                 $this->assertEquals('c', ChatLib::search($options, 4)[0]);
  22                 $this->assertEquals('c', ChatLib::search($options, 5)[0]);
  23
  24                 $this->assertEquals('a', ChatLib::search($options, -1)[0]);
  25                 $this->assertEquals('c', ChatLib::search($options, 6)[0]);
  26         }
  27
  28 }